um inimigo natural dos caramujos do gênero biomphalaria
Clicks: 127
ID: 146922
1976
A formiga carnívora Paratrechina longicornis exerce predação ativa sobre os caramujos do gênero Biomphalaria. Assim que os caramujos são deixados no seco pela retirada ou dessecamento das águas na estação seca, são atacados e rapidamente devorados pelas formigas. Somente os caramujos enterrados na lama argilosa ou aqueles que tiverem a abertura das conchas obturadas por tampões de argila endurecida pela secura conseguem escapar à predação e retornarem à atividade quando a volta da estação chuvosa traz água para os vivedouros dessecados. Obviamente outras espécies de formigas carnívoras podem assumir idêntica função ecológica.
The carnivorous ant Paratrechina longicornis was found to be an active predator against estivating snails of the genus Biomphalaria. As soon as the snails are left in the dry land by the receding waters during the dry season, they are attacked and quickly eaten by the ants. Only the snails buried in the claysh mud or those which have their shell openings obturated by lumps of hardened clay are apt to escape predation and return to activity when the forthcoming wet season brings water to the dryed-up breeding sites. Obviously other species of carnivourous ants may play the same ecological role.
The carnivorous ant Paratrechina longicornis was found to be an active predator against estivating snails of the genus Biomphalaria. As soon as the snails are left in the dry land by the receding waters during the dry season, they are attacked and quickly eaten by the ants. Only the snails buried in the claysh mud or those which have their shell openings obturated by lumps of hardened clay are apt to escape predation and return to activity when the forthcoming wet season brings water to the dryed-up breeding sites. Obviously other species of carnivourous ants may play the same ecological role.
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Authors | ;Aluízio Bezerra Coutinho |
Journal | mobile information systems |
Year | 1976 |
DOI | DOI not found |
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